74results about "Tool changing apparatus" patented technology

A tool rest includes: a tool holder including a clamp mechanism that operates by an oil pressure for clamping a tool; an attachment portion having a hole through which a hydraulic oil for the clamp mechanism is supplied, the tool holder being detachably attached to the attachment portion; a valve body arranged in the hole and operable between a first state in which, when the tool holder is not attached, circulation of the hydraulic oil is regulated upon receiving a pressure of the hydraulic oil, and a second state in which, when the tool holder is attached, circulation of the hydraulic oil is permitted; and an elastic member that is arranged in the hole and exerts an elastic force on the valve body so as to operate the valve body from the second state to the first state.

The present invention provides a machine tool, a processing system, and a method for determining whether a draw bolt is suitable or not, which can efficiently and accurately determine whether a draw bolt is suitable or not. The machine tool uses a tool (20) having a draw bolt (23) at a base end portion to process a workpiece, and the machine tool comprises: a tool magazine having a plurality of tool holding portions capable of loading and unloading the tool (20) respectively; a spindle that holds the tool when processing the workpiece; and a control portion that determines whether the draw bolt (23) is suitable or not based on detection data of a visual sensor (30) that is arranged inside or outside the machine tool and photographs the draw bolt (23) of a tool holder (22) of the tool, or detection data of a sensor that is arranged in the tool magazine and measures the length, resistance, or capacitance of the draw bolt (23).

A machining center comprising two independent carriages (14', 14'') supported so that they can slide along respective longitudinal translation axes (X', X'') by two parallel horizontal rails (16a, 16b) which are fixed in a raised position to a supporting structure (12). The carriages (14', 14'') support respective machining heads (22', 22'') which can move along two respective translation axes (Y', Y'', Z', Z''). The machining heads (22', 22'') support respective tool holding spindles (28', 28'') arranged with a vertical axis. At least one workpiece holding table (34', 34'') is supported at the base (30', 30'') of the supporting structure (12) in a rotatable manner about a first horizontal and transverse rotation axis (Yr', Yr'') and about a second rotation axis (Hr', Hr'') which is perpendicular to the first one. Two mechanized tool magazines (36', 36'') are supported at the opposite longitudinal ends of the supporting structure (12) and are accessible by the spindles (28', 28'').

A clamping system having first and second clamping mechanisms with respective contact faces, that are couplable such that the contact faces press together with a coupling force. The first clamping mechanism has first and second elements and at least three clamping spheres, the first and second elements being twistable relative to one another, and the clamping spheres being mounted on fixed positions of the second element to be rollable along a circular line. The second clamping mechanism has groove guides assigned to the clamping spheres which have helical groove courses in clamping portions. When coupling the clamping mechanisms, by twisting the second element relative to the first, first regions of the clamping spheres are moved to a clamping position which presses the contact faces together via coupling force. When coupling, the clamping spheres in the clamping portions roll over large distances, leading to low wear and activation with reduced force.

An object of the present invention is to provide, in a machine tool, a tool changer that can quickly investigate and recover a stop of a change arm when a failure occurs during a change operation of a tool post and the change arm stops. In order to accomplish the object, this invention provides a tool changer provided in a machine tool and including a change arm 5 that performs a tool change operation from a first tool 2 of a tool post 1 to a second tool 4 of a replacement tool holder 3, wherein when an abnormality is detected during the tool change operation from the first tool 2 to the second tool 4, the tool change operation that has been stopped is performed in reverse order to return the change arm 5 to a state before the abnormality detection.

A tooling assembly for a machine having an automatic tool changing system includes a tool body disposed about a rotational axis and defining an internal passage operable to flow a fluid therein. The internal passage includes an inlet, stem channel, first and second curved channels, and first and second transition portions. The inlet is configured to receive the fluid from the machine. First and second outlets are open through an exterior of the tool body. The stem channel is in fluid communication with the inlet and ends at a beginning of the first and second transition portions. The first curved channel extends from the first transition portion to the first outlet. The second curved channel extends from the second transition portion to the second outlet.

On a back side of a table, moving bodies are provided being movable in a left-right direction. A bending system includes moving actuators to cause the moving bodies to move in the left-right direction relative to the table and position detectors to detect positions of the moving bodies in the left-right direction. The moving bodies are provided with hole detectors to detect the engagement holes of tools fitted to a tool holder. The bending system includes a hole position acquisition unit to acquire positions of the engagement holes of the tools in the left-right direction, based on positions of the moving bodies in the left-right direction at the time of the engagement holes of the tools being detected.

Blade attachment-detachment support device (1) used for a cutting device (100), comprising: a cutting blade (121) attached to a spindle (123), a nut (126) for fastening the cutting blade (121) to the spindle (123), and a rotation stop part (127) which inhibits rotation of the spindle (123), the blade attachment-detachment support device (1) comprising: a nut rotating part (10) having an engaging part (12) which engages an engaged part (135) of a surface of the nut (126); a nut gripping part (50) arranged on the nut rotating part (10) and gripping an outer peripheral part (136) of the nut (126); a housing (30) surrounding the nut rotating part (10) while supporting the nut rotating part (10) rotatably through a predetermined angle; and a locking mechanism (60) which maintains a state in which the nut gripping part (50) engages the outer peripheral part of the nut (126), wherein the nut rotating part (10) is arranged to be able to move forward and backward relative to the housing (30) to a projection position at which the nut gripping part (50) is allowed to be attached to and detached from the outer peripheral part of the nut (126), and a fastening position at which the nut gripping part (50) is accommodated in the housing (30) and an engagement between the nut gripping part (50) and the nut (126) is maintained, the nut rotating part (10) is fastened to the housing (30) with the interposition of a clamping part (23) which pushes the nut rotating part (10) out to the projection position, and the locking mechanism (60) has a projection inhibiting part (38) by which an advance and a retraction of the nut rotating part (10) is inhibited by an engagement of the nut rotating part (10) with the housing (30) when the housing (30) is rotated in a direction which loosens the nut (126) and the housing (30) rotates relative to the nut rotating part (10) to be positioned in a predetermined orientation at the fastening position to which the nut rotating part (10) has been pressed.

This machine tool system is provided with a tool holder adaptor (63) that has a flange (65) having formed therein: a hole part that contains a tool holder (73); and an engagement part (67) that engages with a hand of a self-propelled robot (51), wherein when transporting the tool holder (63) to a machine tool (11) from a tool storage (61) that contains a plurality of tool holder adaptors (63), the self-propelled robot (51) grasps the tool holder adaptor (63) to transport the tool.

The tool magazine has: a first drive mechanism portion (161) that rotates the tool holder (112) so that the identification member (116) is positioned at a first position (Pa) in the tool holder (112) arranged to a delivery position different from a tool magazine side tool exchange position (J), and is positioned at a second position (Pb) in the tool holder (112) arranged to the tool magazine side tool exchange position (J); and a second drive mechanism portion (171) that moves the reading device (121) so that the reading device (121) is positioned at a third position (Pc) in a case where the identification member (116) is read by the reading device (121), and is positioned at a fourth position (Pd) in a case where the tool holder (112) is delivered.

The invention provides a loosening arm and a machine tool capable of avoiding interference with other components. The release arm (50) includes a right fulcrum portion (63), a left fulcrum portion (64), a cam follower (54), and pressing portions (57, 58). The right fulcrum part 63 and the left fulcrum part 64 are rotatably supported in the spindle head. The cam follower 54 comes into contact with a cam surface provided on the column in accordance with the movement of the spindle head and receives an external force. When the cam follower 54 receives an external force and rotates about the right fulcrum 63 and the left fulcrum 64, the pressing parts 57, 58 press or not press a pin of a pull rod provided in the main shaft. The pressing portions 57, 58 are located between the right fulcrum portion 63 and the left fulcrum portion 64 and the cam follower 54, the right fulcrum portion 63 and the left fulcrum portion 64 and the pressing portions 57, 58 are located on a straight line intersecting with the axial direction of the main shaft, and the cam follower 54 is located at a position away from the right fulcrum portion 63 and the left fulcrum portion 64 toward one side of the column.

The invention relates to a mounting device for carrying out mounting steps on a wall and to a method for exchanging a tool accommodated by the mounting device. The mounting device has a mounting device (10) which has a drive unit (12) and a tool holder (16). The tool holder (16) is connected to the drive unit (12) and is provided for accommodating a tool (22) which extends away from the tool holder (16) in a tool direction (14) and can be driven by the drive unit (12). The tool holder can assume a locked state and an unlocked state, in which the tool (22) accommodated by the tool holder (16) can be removed from the tool holder (16) in the unlocked state and is fixed in the tool holder (16) and thus cannot be removed in the locked state. The mounting device (10) has an unlocking device (28). The unlocking device has an actuator (30, 32) which can be actuated, which is designed and arranged in such a way that, by means of the actuator (30, 32), the tool holder (16) can be brought from the locked state into the unlocked state, in which the tool (22) can be released.

To detect a failure of a screwing state of a fixing nut.SOLUTION: A cutting device is equipped with a cutting unit that has a spindle, and is installed with an annular cutting blade at a tip end portion of the spindle via a blade mount, and a determination unit that determines a state of the cutting blade in the blade mount. The determination unit has a second channel that is connected to a first channel of a mounter of the blade mount and acts negative pressure or positive pressure on the first channel, a measuring apparatus that obtains a measurement value of at least one of pressure in the second channel and a flow rate of a fluid flowing in the second channel, a screwing state determining portion that determines that a screwing state to a boss portion of a fixing nut is unsatisfactory when the measurement value when negative pressure or positive pressure is acted on the first channel indicates an abnormal value while the fixing nut is at least partially screwed with the boss portion of the mounter on which the cutting blade is disposed, and a notifying portion that reports the determination result of the screwing state determining portion.SELECTED DRAWING: Figure 4

To easily secure processing accuracy of workpiece W.SOLUTION: A processing device 100 includes a frame 1 having a first surface 3a in a Z-axis direction and a second surface 4a in a Y-axis direction. A first movement mechanism 10 and a second movement mechanism 30 are provided on the first surface 3a side of the frame 1. A third movement mechanism 30 is provided on the second surface 4a side of the frame 1. A trestle 2 supports the frame 1 from the second surface 4a side of the frame 1. A first rotation mechanism 50, a second rotation mechanism 60, and a support mechanism 40 for supporting the workpiece W are moved by the third movement mechanism 30. The third movement mechanism 30 is provided below in a Z-axis direction of the frame 1 and in a space formed of the trestle 2.SELECTED DRAWING: Figure 1

A tool holder locking sleeve includes a tool sleeve; a pulling claw; an elastic component; and a pin, one end of a tool holder accommodating cavity inside the tool sleeve is provided with a tool holder installation opening, and another end is provided with a pulling claw installation portion; a tool holder clamping portion of the pulling claw is provided with a tool holder clamping surface, the pulling claw is hinged on a pulling claw installation portion, the elastic component connects the pulling claw and the tool sleeve, after the tool holder is inserted into the tool holder accommodating cavity, the pulling claw is driven by the elastic component so that the tool holder clamping portion is engaged into the tool holder to engage the clamping surface of the tool holder with the inner diameter of the tool holder.

The clamping system (1) according to the invention comprises a first and a second clamping device (2, 3), which have a first and a second contact surface (2b, 3b) respectively and can be coupled such that the first and the second contact surface (2b, 3b) bear against one another when subjected to a coupling force. The first clamping device (2) comprises a first element (4), a second element (5), and at least three clamping balls (6), wherein the first and the second element (4, 5) are rotatable relative to one another and the at least three clamping balls (6) are mounted so as to roll along a circular line at fixed positions of the second element (5). The second clamping device (3) has at least three groove guides (9) which are assigned to the clamping balls (6) and have helical groove profiles in clamping sections (9b).When the clamping devices (2, 3) are coupled, the first regions (6a) of the clamping balls (6) are brought into a clamping position by rotating the second element (5) relative to the first element (4), which presses the first and second contact surfaces (2b, 3b) together with the coupling force. During coupling, the clamping balls (6) roll over large distances in the clamping sections (9b), resulting in minimal material wear and ensuring actuation with reduced force.

A cutting device is provided, which has a tool replacement device that is small, light or low-cost. The cutting device has a tool replacement device for replacing a cutting tool installed on a spindle of a first cutting unit and a cutting tool installed on a spindle of a second cutting unit, wherein the tool replacement device has a nut loading and unloading unit for loading and unloading a nut and a tool loading and unloading unit for loading and unloading a cutting tool, and the nut loading and unloading unit has: a rotating shaft; a first nut rotating part, which is fixed to one end side of the rotating shaft and rotates while holding a nut for fixing the cutting tool to the spindle of the first cutting unit; a second nut rotating part, which is fixed to the other end side of the rotating shaft and rotates while holding a nut for fixing the cutting tool to the spindle of the second cutting unit; a motor; and a power transmission unit, which is connected to the motor and the rotating shaft and transmits power of the motor to the rotating shaft.

The present disclosure provides a "Tool Machining Assembly with Internal Coolant Passage for Machine Tool". The present disclosure relates to a tool machining assembly for a machine tool having an automatic tool changer system. The tool machining assembly includes a holder, a tool body, and an internal passage defined within and extending through the holder and the tool body. The holder includes a machine tool interface configured to engage with a spindle of the machine tool. The internal passage is operable to flow a coolant fluid therewithin and has a dry pipe and a curved pipe extending from the dry pipe.

An automatic tool changer includes first and second tool change units that is driven respectively by a pair of servo motors and move along an arrangement direction of a plurality of tools installed on a tool installation unit, a torque detection unit that detects a torque of each of the pair of servo motors, and a control device that controls operations of the first and second tool change units. The control device fixes the first tool change unit at a reference position, and moves the second tool change unit toward the first tool change unit. The control device determines, based on a torque change of each servo motor, that a plurality of upper tools are brought together at the first tool change unit as a result of a movement of the second tool change unit.

The present invention provides a blade disc machining center tool magazine including a T2 axis rotation assembly; and an A axis rotation assembly, wherein the T2 axis rotation assembly can move along a T1 axis, and when an axis of a swing head is parallel to a plane where a tool disc is located, or is in the plane where the tool disc is located, the axis of the swing head is parallel to or coincides with a linear axis of the tool disc. The present invention also provides a blade disc machining center tool changing method that does not require the use of complex equipment such as manipulators. A tool changing process can be completely implemented by relying on the mutual cooperation of a Z axis, a Y axis and the T1 axis of a machine tool. In addition, during the tool changing process, the grabbing and releasing of a tool can be implemented simply by the cooperation of a single linear axis movement, which greatly reduces the complexity of a tool changing action, makes a tool changing logic of the machine tool more concise and easy to operate, is simple in structure, has good stability, and is easy to maintain.

In an installing method for installing divided upper tools to upper tool holders disposed to be spaced at an appropriate interval in a left-right direction in a lower portion of an upper table of a press brake, by using a tool changer, a round bar-shaped finger provided in the tool changer is engaged in a circular engagement hole provided at a central portion in the lateral direction of each divided upper tool. The divided upper tool is temporarily positioned in a gap between an upper tool holder to which the divided upper tool is to be installed, and an adjacent upper tool holder. The temporarily positioned divided upper tool is moved in the left-right direction to be installed to the upper tool holder to which the divided upper tool is to be installed.

A tool machine magazine includes a base (10), a tool disc (20) disposed on the base (10), tool sleeves (30) disposed on a periphery of the tool disc (20) through a bearing (40), a motor (51), a brake structure (52), a cam (53), a driver shaft (54), an angle sensor (57), and a control terminal (58). The motor (51) drives the cam (53) to operate. Each bearing (40) orderly operates along the outline (531) of the cam (53), driving the tool disc (20) to continuously rotate without intermittence. The angle sensor (57) is disposed on one end of the driver shaft (54) or a rotation center of the tool disc (20). When the rotation angle of the tool disc (20) matches the tool change command, the control terminal (58) controls the brake structure (52) to stop the motor (51), so as to stop the tool disc (20) for facilitating the tool change operation.

A tool (10) for a press brake includes a tool main body (18), an attachment portion (20) formed on a base end side of the tool main body and configured to be detachably attached to a tool installation portion (14) of the press brake by using a tool changer (12), and a bending portion (22) formed on a distal end side of the tool main body and used to bend a plate-shaped workpiece. An engagement hole (18h) having a circular cross-sectional shape to be engaged with a bar-shaped finger (30) of the tool changer extends through the tool main body in a thickness direction. An anti-rotation bottomed depressed portion (18f) configured to receive a distal end of an anti-rotation member (34) of the tool changer is formed in a vicinity of the engagement hole.

A clamping system having first and second clamping mechanisms with respective contact faces, that are couplable such that the contact faces press together with a coupling force. The first clamping mechanism has first and second elements and at least three clamping spheres, the first and second elements being twistable relative to one another, and the clamping spheres being mounted on fixed positions of the second element to be rollable along a circular line. The second clamping mechanism has groove guides assigned to the clamping spheres which have helical groove courses in clamping portions. When coupling the clamping mechanisms, by twisting the second element relative to the first, first regions of the clamping spheres are moved to a clamping position which presses the contact faces together via coupling force. When coupling, the clamping spheres in the clamping portions roll over large distances, leading to low wear and activation with reduced force.

The present application relates to a multi-axis machining center provided with a mechanized tool magazine. The machining center comprises two independent carriages supported by two parallel horizontal rails fixed in raised position to a support structure so that they can slide along respective longitudinal translation axes. The carriages support respective machining heads movable along two corresponding translation axes. The machining heads support respective tool holding spindles arranged with a vertical axis. At least one workpiece holding table is supported at a base of the support structure in a manner rotatable about a first horizontal and transversal rotation axis and about a second rotation axis vertical to the first rotation axis. Two mechanized tool magazines are supported at opposite longitudinal ends of the support structure and are usable by the spindles.

In an installing method for installing divided upper tools (17) to upper tool holders (15) disposed to be spaced at an appropriate interval in a left-right direction in a lower portion of an upper table (11) of a press brake (1), by using a tool changer (20), a round bar-shaped finger (53) provided in the tool changer (20) is engaged in a circular engagement hole (51) provided at a central portion in the lateral direction of each divided upper tool (17). The divided upper tool (17) is temporarily positioned in a gap between an upper tool holder (15) to which the divided upper tool (17) is to be installed, and an adjacent upper tool holder (15). The temporarily positioned divided upper tool (17) is moved in the left-right direction to be installed to the upper tool holder (15) to which the divided upper tool (17) is to be installed.

Provided are a tool replacement device and an adjustment method for the tool replacement device, which can properly hold a cutting tool. The tool replacement device replaces a cutting tool that is fixed to the front end of a spindle of a cutting device and cuts a workpiece, and comprises: a tool storage portion, which has a movable storage portion for storing the cutting tool on the front side of a transparent support member; a conveying unit, which has a holding portion for holding the cutting tool and a moving mechanism for moving the holding portion between the storage portion and the spindle to convey the cutting tool; a camera, which is arranged on the back side of the support member and photographs the holding portion positioned on the front side of the support member through the support member; a control unit, which has an action control portion for controlling the actions of the tool storage portion and the conveying unit and a position registration portion for registering the positions of the storage portion and the holding portion when the cutting tool is loaded and unloaded from the tool storage portion, the storage portion having a first marking portion that can be photographed by the camera, and the holding portion having a second marking portion that can be photographed by the camera.

Cutting device comprising: a clamping table for holding a workpiece; a pair of first and second cutting units for cutting the workpiece held on the clamping table, wherein both the first and second cutting units have a spindle and a cutting blade attached to the spindle; and a blade changing device for changing the cutting blade attached to the spindle of the first cutting unit and for changing the cutting blade attached to the spindle of the second cutting unit, the blade changing device includes: a nut attachment and removal unit for attaching and removing a nut for securing the cutting blade to the spindle in both the first and second cutting units, and a blade attachment and removal unit for attaching the cutting blade to the spindle in both the first and second cutting units and for removing the cutting blade from the spindle in both the first and second cutting units, the nut attachment and removal unit includes: a swivel shaft a first nut turning section attached to one end of the rotating shaft for holding and turning the nut to attach the cutting blade to the spindle of the first cutting unit, a second nut turning section attached to the other end of the rotating shaft for holding and turning the nut to attach the cutting blade to the spindle of the second cutting unit, an engine, and A power transmission unit connected to the motor and the rotating shaft for transferring the power of the motor to the rotating shaft in order to rotate the rotating shaft.

Method for manufacturing a gearbox housing (10) comprising the following: Positioning a cast housing with multiple fluid drain holes (22) below a central axis (X) of the cast housing; Drilling and face milling of several internal bores (72) and several surfaces (74) of the housing to form a rough-machined housing; and Blowing off machining chips (44) from the rough-machined housing through the fluid drain holes.